US7065455B2 - Correcting frequency in flowtube measurements - Google Patents
Correcting frequency in flowtube measurements Download PDFInfo
- Publication number
- US7065455B2 US7065455B2 US10/902,146 US90214604A US7065455B2 US 7065455 B2 US7065455 B2 US 7065455B2 US 90214604 A US90214604 A US 90214604A US 7065455 B2 US7065455 B2 US 7065455B2
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- frequency
- flowtube
- phase difference
- operable
- flowmeter
- Prior art date
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- 238000005259 measurement Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims description 25
- 239000000126 substance Substances 0.000 claims description 24
- 238000012417 linear regression Methods 0.000 claims description 14
- 230000033001 locomotion Effects 0.000 claims description 14
- 239000012530 fluid Substances 0.000 abstract description 5
- 238000004364 calculation method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 17
- 230000000694 effects Effects 0.000 description 7
- 230000010355 oscillation Effects 0.000 description 4
- 238000001739 density measurement Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
- G01F1/78—Direct mass flowmeters
- G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
- G01F1/84—Coriolis or gyroscopic mass flowmeters
- G01F1/8409—Coriolis or gyroscopic mass flowmeters constructional details
- G01F1/8436—Coriolis or gyroscopic mass flowmeters constructional details signal processing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
- G01F1/78—Direct mass flowmeters
- G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
- G01F1/84—Coriolis or gyroscopic mass flowmeters
- G01F1/845—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits
- G01F1/8468—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits
- G01F1/8481—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits having loop-shaped measuring conduits, e.g. the measuring conduits form a loop with a crossing point
- G01F1/8486—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits having loop-shaped measuring conduits, e.g. the measuring conduits form a loop with a crossing point with multiple measuring conduits
Abstract
Description
TABLE 1 | ||||
Variable | Absolute Shift | Relative Shift | ||
phase difference [degrees] | 2.8333 | 629.63% | ||
frequency [Hz] | 0.0210 | 0.0254% | ||
corrected frequency [Hz] | 0.0020 | 0.0024% | ||
density [Kg/m3] | −1.8392 | −0.1840% | ||
corrected density [Kg/m3] | −0.0985 | −0.0099% | ||
Claims (17)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/902,146 US7065455B2 (en) | 2003-08-13 | 2004-07-30 | Correcting frequency in flowtube measurements |
DE112004001503T DE112004001503T5 (en) | 2003-08-13 | 2004-08-12 | Correcting a frequency in flow tube measurements |
PCT/US2004/025916 WO2005019777A2 (en) | 2003-08-13 | 2004-08-12 | Correcting frequency in flowtube measurements |
US11/380,166 US7509219B2 (en) | 2003-08-13 | 2006-04-25 | Correcting frequency in flowtube measurements |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US49455603P | 2003-08-13 | 2003-08-13 | |
US10/902,146 US7065455B2 (en) | 2003-08-13 | 2004-07-30 | Correcting frequency in flowtube measurements |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/380,166 Continuation US7509219B2 (en) | 2003-08-13 | 2006-04-25 | Correcting frequency in flowtube measurements |
Publications (2)
Publication Number | Publication Date |
---|---|
US20050034537A1 US20050034537A1 (en) | 2005-02-17 |
US7065455B2 true US7065455B2 (en) | 2006-06-20 |
Family
ID=34138888
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/902,146 Active US7065455B2 (en) | 2003-08-13 | 2004-07-30 | Correcting frequency in flowtube measurements |
US11/380,166 Active 2024-10-11 US7509219B2 (en) | 2003-08-13 | 2006-04-25 | Correcting frequency in flowtube measurements |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/380,166 Active 2024-10-11 US7509219B2 (en) | 2003-08-13 | 2006-04-25 | Correcting frequency in flowtube measurements |
Country Status (3)
Country | Link |
---|---|
US (2) | US7065455B2 (en) |
DE (1) | DE112004001503T5 (en) |
WO (1) | WO2005019777A2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060243062A1 (en) * | 2003-08-13 | 2006-11-02 | Invensys Systems, Inc., | Correcting Frequency in Flowtube Measurements |
US20080053240A1 (en) * | 2006-08-28 | 2008-03-06 | Invensys Systems, Inc. | Wet Gas Measurement |
US20140190238A1 (en) * | 2011-07-13 | 2014-07-10 | Micro Motion, Inc. | Vibratory meter and method for determining resonant frequency |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7784360B2 (en) | 1999-11-22 | 2010-08-31 | Invensys Systems, Inc. | Correcting for two-phase flow in a digital flowmeter |
US8467986B2 (en) | 1997-11-26 | 2013-06-18 | Invensys Systems, Inc. | Drive techniques for a digital flowmeter |
US8447534B2 (en) | 1997-11-26 | 2013-05-21 | Invensys Systems, Inc. | Digital flowmeter |
US8020428B2 (en) * | 2007-04-04 | 2011-09-20 | Colorado School Of Mines | System for and method of monitoring properties of a fluid flowing through a pipe |
NL1034349C2 (en) * | 2007-09-07 | 2009-03-10 | Berkin Bv | Coriolis type flow measuring system with analog-digital converters with adjustable sampling frequency. |
JP5195652B2 (en) * | 2008-06-11 | 2013-05-08 | ソニー株式会社 | Signal processing apparatus, signal processing method, and program |
AU2015363663B2 (en) * | 2014-12-19 | 2018-08-02 | Micro Motion, Inc. | Determining a vibration response parameter of a vibratory element |
US9513149B1 (en) * | 2015-10-29 | 2016-12-06 | Invensys Systems, Inc. | Coriolis flowmeter |
DE102016103048B3 (en) * | 2016-02-22 | 2017-04-20 | Krohne Messtechnik Gmbh | Method of operating a Coriolis mass flowmeter |
DE102017127266A1 (en) | 2017-11-20 | 2019-05-23 | Endress+Hauser Flowtec Ag | A method of signaling a standard frequency of a densitometer having at least one oscillatable measuring tube for guiding a medium |
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-
2004
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- 2004-08-12 WO PCT/US2004/025916 patent/WO2005019777A2/en active Application Filing
- 2004-08-12 DE DE112004001503T patent/DE112004001503T5/en not_active Withdrawn
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2006
- 2006-04-25 US US11/380,166 patent/US7509219B2/en active Active
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US20060243062A1 (en) | 2006-11-02 |
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WO2005019777A2 (en) | 2005-03-03 |
WO2005019777A3 (en) | 2005-11-17 |
US7509219B2 (en) | 2009-03-24 |
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